6+(6+x)+(6+.5x)=y

Solution for 6+(6+x)+(6+.5x)=y equation:

Simplifying
6 + (6 + x) + (6 + 0.5x) = y

Remove parenthesis around (6 + x)
6 + 6 + x + (6 + 0.5x) = y

Remove parenthesis around (6 + 0.5x)
6 + 6 + x + 6 + 0.5x = y

Reorder the terms:
6 + 6 + 6 + x + 0.5x = y

Combine like terms: 6 + 6 = 12
12 + 6 + x + 0.5x = y

Combine like terms: 12 + 6 = 18
18 + x + 0.5x = y

Combine like terms: x + 0.5x = 1.5x
18 + 1.5x = y

Solving
18 + 1.5x = y

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-18' to each side of the equation.
18 + -18 + 1.5x = -18 + y

Combine like terms: 18 + -18 = 0
0 + 1.5x = -18 + y
1.5x = -18 + y

Divide each side by '1.5'.
x = -12 + 0.6666666667y

Simplifying
x = -12 + 0.6666666667y